An October 2011 Salmonella outbreak has been connected with fast food giant Taco Bell. Diane Sawyer reports on how the sources of these outbreaks can remain secret.
How Public Health Threats Remain Secret
An October 2011 Salmonella outbreak has been connected with fast food giant Taco Bell. Diane Sawyer reports on how the sources of these outbreaks can remain secret.
Feb 9, 2012